update_engine: Add Cohort, CohortName, CohortHint to Omaha protocol.
This patch persists and sends back to omaha the cohort, cohorthint and
cohortname arguments in the <app> tag. To avoid problems, these strings
are limited to 1024 chars.
BUG=chromium:448995
TEST=unittest added.
Change-Id: I05e7677ee43ab795b670b274d3984803cb6b9522
Reviewed-on: https://chromium-review.googlesource.com/262967
Trybot-Ready: Alex Deymo <deymo@chromium.org>
Tested-by: Alex Deymo <deymo@chromium.org>
Reviewed-by: Don Garrett <dgarrett@chromium.org>
Commit-Queue: Alex Deymo <deymo@chromium.org>
diff --git a/omaha_request_action.h b/omaha_request_action.h
index b9f70f0..0cb2244 100644
--- a/omaha_request_action.h
+++ b/omaha_request_action.h
@@ -189,6 +189,13 @@
int install_date_days,
InstallDateProvisioningSource source);
+ // Persist the new cohort* value received in the XML file in the |prefs_key|
+ // preference file. If the |new_value| is empty, the currently stored value
+ // will be deleted. Don't call this function with an empty |new_value| if the
+ // value was not set in the XML, since that would delete the stored value.
+ bool PersistCohortData(const std::string& prefs_key,
+ const std::string& new_value);
+
// If this is an update check request, initializes
// |ping_active_days_| and |ping_roll_call_days_| to values that may
// be sent as pings to Omaha.